文件头结构体 sturct pcap_file_header { DWORD magic; DWORD version_major; DWORD version_minor; DWORD thiszone; DWORD sigfigs; DWORD snaplen; DWORD linktype; } 说明: 1、标识位:32位的,这个标识位的值是16进制的 0xa1b2c3d4。 a 32-bit magic number ,The magic number has the value hex a1...
* The only file types for which we have to do variant * determination by looking at packets have microsecond * resolution; treat fractions-of-a-second values >= 1 000 000 * as an indication that the header format might not be * what we think it is. */ if (rec_hdr.hdr.ts_usec >...
a UNIX-format time-in-seconds when the packet was captured, i.e. the number of seconds since January 1,1970, 00:00:00 GMT (that GMT, *NOT* local time!); the number of microseconds since that second when the packet was captured; Timestamp:时间戳高位,精确到seconds(值是自从January 1, ...
1、第一部分:PCAP包文件格式一 基本格式: 文件头 数据包头数据报数据包头数据报.二、文件头: 文件头结构体sturct pcap_file_header DWORD magic; DWORDversion_major; DWORDversion_minor; DWORDthiszone; DWORDsigfigs; DWORDsnaplen; DWORDlinktype;说明:1、标识位:32位的,这个标识位的值是16进制的 0xa1b2c...
a UNIX-format time-in-seconds when the packet was captured, i.e. the number of seconds since January 1,1970, 00:00:00 GMT (that GMT, *NOT* local time!); the number of microseconds since that second when the packet was captured; 2、数据包长度:32位 ,标识所抓获的数据包保存在pcap文件...
char g_pcap_filename[FILE_NAME_LEN] = {0}; FILE *g_pcap_file = NULL; /* * Standard libpcap format. */ #define TCPDUMP_MAGIC 0xa1b2c3d4 #define PCAP_VERSION_MAJOR 2 #define PCAP_VERSION_MINOR 4 struct pcap_file_header { unsigned int magic; unsigned short version_major; unsigned...
#include <stdlib.h>#include<stdio.h>#include<pcap.h>#include<string.h>#include<netinet/in.h>#include<time.h>#include<syslog.h>/**.pcap file format = file header(24B) + pkt header(16B) + Frame * Frame = Ethernet header(14B) + IP header(20B) + UDP header(8B) + appdata*///...
每个.pcap 文件的文件头 Pcap Header:24B 每个.pcap 文件中的数据包头 Packet Header:16B 每个.pcap 文件中的数据报 Packet Data:14B 以太头+TCP/IP 数据 具体如下: 1.pcap 文件头部(pcap header) sturct pcap_file_header { DWORD magic; WORD version_major; WORD version_minor; DWORD thiszone; DWORD ...
pcap_header Struct Reference Data Fields UINT32magic_number UINT16version_major UINT16version_minor INT32thiszone UINT32sigfigs UINT32snaplen UINT32network Detailed Description FreeRDP: A Remote Desktop Protocol Implementation pcap File Format Utils ...
一、基本格式：文件头 数据包头 数据报 数据包头 数据报...二、文件头结构体：sturct pcap_file_header { DWORD magic; WORD version_major; WORD version_minor;DWORD thiszone;DWORD sigfigs;DWORD snaplen;DWORD linktype;} 说明： 1、标识位：32位的，这个标识位的值是16进制...